72154828 has 12 divisors (see below), whose sum is σ = 126369432. Its totient is φ = 36049280.

The previous prime is 72154811. The next prime is 72154829. The reversal of 72154828 is 82845127.

It is not an unprimeable number, because it can be changed into a prime (72154829) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 613 + ... + 12028.

It is an arithmetic number, because the mean of its divisors is an integer number (10530786).

Almost surely, 2^72154828 is an apocalyptic number.

It is an amenable number.

72154828 is a deficient number, since it is larger than the sum of its proper divisors (54214604).

72154828 is a wasteful number, since it uses less digits than its factorization.

72154828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14072 (or 14070 counting only the distinct ones).

The product of its digits is 35840, while the sum is 37.

The square root of 72154828 is about 8494.3998022226. The cubic root of 72154828 is about 416.3147503933.

The spelling of 72154828 in words is "seventy-two million, one hundred fifty-four thousand, eight hundred twenty-eight".